5 



Stroma byssoid. 



Stroma valsoid. 



Parasitic on other fungi. 



Growing on wood or bark. 



Sporidia filiform. 



****Stroma effused, bright colored. 



Sporidia ovoid, (foliicolous.) 



Sporidia filiform, stroma, yellow, amplexicaul. 



B. Perithecia buried, without any distinct stroma. 

 (>. Perithecia superficial stroma, scanty or none, 



Sporidia hyaline or subhyaline. 



Sporidia appendiculate, perithecia subulate. 

 Sporidia uniseptate, conidial stroma tubercular. 

 Sporidia uniseptate, conidial stroma capitate. 

 Sporidia, 2-or more-septate. 

 Sporidia inuriform. 



Sporidia allantoid, minute, asci polysporous. 

 Sporidia filiform, fimicolous. 

 Sporidia filiform, xylogenous. 

 Sporidia S-pluriseptate, perithecia blue or violet. 

 Sporidia brown, perithecia beaked, mostly 

 continuous. 



Byssonectria. 

 Thyronectria. 



Hypocrea. 

 Hypocrella. 



Polystigma. 

 Epichloe. 



ETyponectrid' 



Elcutheromyces. 

 Nectria. 

 Sphaerostilbe. 

 Calonectria. 

 Pleonectria. 

 Chilonectria. 

 Barya. 

 Ophionectria. 

 Gibberella. 



CHAETOMIEAE 



Characters same as the family; includes the single 

 genus. 



SORDAJilEAE 



A. Stroma wanting. 



* Sporidia continuous brown. 



Asci 8-spored, sporidia without appendages 



Asci 8-spored, sporidia appendiculate 



Asci polysporous 



** Sporidia, 1 -or more-septate. 



Sporidia uniseptate. 



Sporidia 4-20, septate. 



B, Slroma present. 



Sporidia continuous. 

 Sporidia 4-20-septate. 



Melanospora. 



Chaetomium. 



Sordaria. 

 Podospora. 

 Philoco'i ra. 



Delitschia. 

 Sporormia. 



Hypocopra. 

 Sporormiella. 



